Added photo to README

Wanted to experiment
Simplify database configuration

* Remove comment cruft
* Remove custom user/password
Merge pull request #12 from calebthompson/ct-simplify-database-config

Simplify database configuration
Update README for setting up DB

Added documentation for contributors to create DB's for the application
Merge pull request #14 from districtem/master

Update README with DB documentation
Switched database from Postgres to SQLite

(In order for contributors to be able to easily set up the application on their machines.)
Merge pull request #17 from karlhigley/master

Switched database from Postgres to SQLite.
Changed root URLto 'network#index'